from flask import g, redirect, render_template, request, jsonify, current_app, session

from info import db, constants
from info.profile import profile_blue
from info.models import Category, News, User
from info.utils.common import user_login_data
from info.utils.image_storage import storage
from info.utils.response_code import RET


@profile_blue.route('/info')
@user_login_data
def get_user_info():
    user = g.user
    if not user:
        return redirect('/')

    data = {
        "user_info": user.to_dict(),
    }

    return render_template('news/user.html', data=data)


@profile_blue.route('/user_base_info', methods=['GET', 'POST'])
@user_login_data
def user_base_info():
    user = g.user
    if request.method == 'GET':
        return render_template('news/user_base_info.html', data={"user_info": user.to_dict()})

    data_dict = request.json
    nick_name = data_dict.get('nick_name')
    gender = data_dict.get('gender')
    signature = data_dict.get('signature')

    if not all([nick_name, gender, signature]):
        return jsonify(errno=RET.PARAMERR, errmsg='参数有误')

    if gender not in ['MAN', 'WOMAN']:
        return jsonify(errno=RET.PARAMERR, errmsg='参数有误')

    user.nick_name = nick_name
    user.gender = gender
    user.signature = signature

    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg='保存数据失败')

    session['nick_name'] = nick_name

    return jsonify(errno=RET.OK, errmsg='更新成功')


@profile_blue.route('/pic_info', methods=['GET', 'POST'])
@user_login_data
def pic_info():
    user = g.user
    if request.method == 'GET':
        return render_template('news/user_pic_info.html', data={"user_info": user.to_dict()})

    try:
        avatar_file = request.files.get("avatar").read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="读取文件出错")

    try:
        url = storage(avatar_file)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传图片错误")

    user.avatar_url = url

    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="保存用户数据错误")

    return jsonify(errno=RET.OK, errmsg="OK", data={"avatar_url": constants.QINIU_DOMIN_PREFIX + url})


@profile_blue.route('/user_pass_info', methods=['GET', 'POST'])
@user_login_data
def user_pass_info():
    if request.method == 'GET':
        return render_template('news/user_pass_info.html')

    data_dict = request.json
    old_password = data_dict.get("old_password")
    new_password = data_dict.get("new_password")

    if not all([old_password, new_password]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    user = g.user

    if not user.check_password(old_password):
        return jsonify(errno=RET.PWDERR, errmsg="原密码错误")

    user.password = new_password
    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="保存数据失败")

    return jsonify(errno=RET.OK, errmsg="保存成功")


@profile_blue.route('/user_collection', methods=['GET'])
@user_login_data
def user_collection():
    p = request.args.get("p", 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1

    user = g.user
    collections = []
    current_page = 1
    total_page = 1

    try:
        paginate = user.collection_news.paginate(p, constants.USER_COLLECTION_MAX_NEWS, False)
        collections = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    collection_dict_li = []
    for news in collections:
        collection_dict_li.append(news.to_basic_dict())

    data = {
        "total_page": total_page,
        "current_page": current_page,
        "collections": collection_dict_li
    }

    return render_template('news/user_collection.html', data=data)


@profile_blue.route('/news_release', methods=['GET', 'POST'])
@user_login_data
def news_release():
    if request.method == 'GET':
        categories = []
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)

        categories_dicts = []
        for category in categories:
            cate_dict = category.to_dict()
            categories_dicts.append(cate_dict)

        categories_dicts.pop(0)
        return render_template('news/user_news_release.html', data={"categories": categories_dicts})
    else:
        title = request.form.get("title")
        source = '个人发布'
        digest = request.form.get("digest")
        content = request.form.get("content")
        index_image = request.files.get("index_image")
        category_id = request.form.get("category_id")

        if not all([title, source, digest, content, index_image, category_id]):
            return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

        try:
            index_image = index_image.read()
        except Exception as e:
            current_app.logger.error(e)
            return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

        try:
            key = storage(index_image)
        except Exception as e:
            current_app.logger.error(e)
            return jsonify(errno=RET.THIRDERR, errmsg="上传图片错误")

        news = News()
        news.title = title
        news.digest = digest
        news.source = source
        news.content = content
        news.index_image_url = constants.QINIU_DOMIN_PREFIX + key
        news.category_id = category_id
        news.user_id = g.user.id

        # 1：审核中 0：审核通过 -1:审核未通过
        news.status = 1

        try:
            db.session.add(news)
            db.session.commit()
        except Exception as e:
            current_app.logger.error(e)
            db.session.rollback()
            return jsonify(errno=RET.DBERR, errmsg="保存数据失败")

        return jsonify(errno=RET.OK, errmsg="发布成功，等待审核")


@profile_blue.route('/user_news_list', methods=['GET'])
@user_login_data
def user_news_list():
    p = request.args.get("p", 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1

    user = g.user
    news_li = []
    current_page = 1
    total_page = 1
    filters = [
        (News.user_id == user.id),
        (News.title.startswith('$$$isDeleted$$$') == False)
    ]
    try:
        paginate = News.query.filter(*filters).paginate(p, constants.USER_COLLECTION_MAX_NEWS, False)
        news_li = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    news_dict_li = []

    for news_item in news_li:
        news_dict_li.append(news_item.to_review_dict())

    data = {
        "news_list": news_dict_li,
        "total_page": total_page,
        "current_page": current_page
    }
    return render_template('news/user_news_list.html', data=data)


@profile_blue.route('/user_follow', methods=['GET'])
@user_login_data
def user_follow():
    p = request.args.get("p", 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1

    user = g.user

    follows = []
    current_page = 1
    total_page = 1

    try:
        paginate = user.followed.filter(User.mobile.startswith('$') == False).paginate(p, constants.USER_FOLLOWED_MAX_COUNT, False)
        follows = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    user_dict_li = []

    for follow_user in follows:
        user_dict_li.append(follow_user.to_dict())

    data = {
        "users": user_dict_li,
        "total_page": total_page,
        "current_page": current_page
    }

    return render_template('news/user_follow.html', data=data)
